For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningRear Side Door Stationary Window Replacement
Preliminary Procedures
Remove the rear side door trim panel. Refer to Rear Side Door Trim
Replacement.
Remove the rear side water deflector. Refer to Rear Side Door Water
Deflector Replacement.
Remove the rear door window outer sealing strip. Refer to Rear Side Door
Window ...
Front Suspension
Specifications
Front Suspension Components
Drivetrain and Front Suspension Frame
Front Stabilizer Shaft
Drivetrain and Front Suspension Frame Rear Insulator
Front Stabilizer Shaft Link
Front Suspension Strut Insulator Assembly
Front Spring
Shock Absorber Assembly
Front Whe ...
Metric Fasteners
This vehicle provides fastener dimensions using the metric system. Most
metric fasteners are approximate in diameter to equivalent
English fasteners. Make replacements using fasteners of the same nominal
diameter, thread pitch, and strength.
A number marking identifies the OE metric fastener ...